Pioneer CT-W208R - Dual Cassette Deck 서비스 매뉴얼 - 페이지 28

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Pioneer CT-W208R - Dual Cassette Deck 서비스 매뉴얼
CT-W208R
0 dB
30s
0 dB: 315 Hz, 250 nwb/m
30 s
315 Hz
6.3 kHz
REV Azimuth Adjustment Screw
Fig. 6–3 Head Azimuth Adjustment
6.2.1 Playback Section
(1) Head Azimuth Adjustment
÷
Turn VR101, VR102 (DECK I ) or VR103, VR104 (DECK II ) to mechanical center positions.
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(2) Playback Level Adjustment
÷
This adjustment determines the DOLBY NR level, and must be performed with great care.
÷
DECK II side adjustment is starte next to DECK I side adjustment of playback level.
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6.2.2 Recording Section
(1) Bias Oscillator Adjustment
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28
30 s
30 s
10s
10 kHz
315 Hz
14 kHz
Fig. 6–2 Constants of the Test Tape STD–331E
FWD Azimuth Adjustment Screw
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10s .......................................................................................................... 10s
12.5
6.3
10 kHz 8 kHz
4 kHz 2 kHz
kHz
kHz
PLAY BACK
250
3dB
RECORDING
250
3dB
Fig. 6–4 Frequency Response Zone
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